<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        var a = 10;
        var b = 20;
        var c = 20;
        console.log(a > b);   //false
        console.log(a >= b);   //false
        console.log(b >= c);   //true
        console.log(a < b);   //true
        console.log(a <= b);  //true
    </script>
</body>

</html>